<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
     div{
         width: 200px;
         height: 200px;
         /* 背景简写
            background:color image repeat position */
         background: #ff2d78 url("images/icon1.png") no-repeat center center; 
        
     }
    </style>
</head>
<body>
    <div>
        
    </div>
</body>
</html>